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Class Information
Number:
402/11
Name:
Binder device releasably engaging aperture or notch of sheet
>
Pliant, deformable sheet retainer (e.g., cord, band, strap, etc.)
>
With means to apply tension thereto
> Rack or screw type
Description:
Device wherein the pliant sheet retainer is pulled taut by a element in the form of (1) a series of notches or (2) a continuous helical groove.
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